Electron Configuration
Periodic Trends
Lab Safety
Ionic bonds and compounds
atomic theory scientists
100

 Which elements electron configuration is 1s^22s^22p^5?

Fluorine

100

Which element has the most electronegativit?

Fluorine [F]

100

True or false 

wearing jewelry is fine while dealing with chemicals.

False

100

What are ions held together by?

Opposite charges/electrostatic forces of attraction

100

What experiment did JJ Thompson do?

Cathode ray

200

Which elements electron configuration is 1s^22s^22p^63s^23p^64s^23d7

Manganese [Mn]

200

Which element has the largest atomic radius?

Francium [Fr] or Cesium [Cs]

200

What should You do before using a beaker?

You should check for cracks and stars

200

What are binary ionic compounds formed by?

A metal cation nonmetal anion

200

Who found the electron, neutron, and proton

Electron: JJ thompson

Proton: Ernst Rutherford

Neutron: James Chadwick

300

What are the 3 rules of electron configuration?

-Aufbau priciple

-pauli exclusion

-Hund’s rule


300

Which element has more ionization energy S or Mg

Sulfur [s]
300

If anything spills or breaks what should you do

Get your teacher and ask them to clean it up

300

Why do ionic compounds have high melting and boiling points

Strong electrostatic forces

400

Which elements electron configuration is 1s^22s^22p^63s^23p^64s^23d104p^65s^24d^3

Niobium [Nb]

400

Why does [Cl] have the highest electron affinity?

its large atomic radius

400

What should you do if you get a chemical in your eyes

You should rinse with clean water for 20min and seek medical help

400

Na2CO3 ionic compounds name

Sodium carbonate

500

Which elements electron configuration is 1s^22s^22p^63s^23p^64s^23d104p^65s^24d^105p3

Antimony [Sb]

500

What is the difference between metallic and nonmetallic character?

Metalic refers to a elements tendency to lose electrons and form cations

nonmetalic is an elements tendency to gain electrons and form anions

500

How should you light a Bunsen burner

Turn on the gas first light a match and angle it over the burner (adjust gas to get that blue in blue flame)

500

mercury (l) oxide

Hg2O